StatReviewTest

# StatReviewTest - Stem 0 0 1 1 2 2 3 3 4 4 5 60 63 70 79 87...

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Stem Leaves 0 30, 30 0 60, 63, 70, 79, 87, 90 1 01, 02, 15, 18, 19, 19, 20, 25, 40, 45 1 72, 82, 83, 91 2 22, 44 2 91 3 3 4 4 5 11 Stem is hundreds place. Center (median) = 119 Range from 30 to 511 = 481 single peak with one outlier (511), skewed right Stem Leaves 0 2 3 3 3 4 0 5 5 5 5 5 6 6 6 7 8 8 9 1 0 0 0 If I record which operator is running a machine at a particular time Discrete, operator is categorical If I record the length of time the machine is running Continuous, time has an infinite number of values If I record whether or not the machine is running or not Discrete, only two categorical values (running or not running) If I record the color of the machine (red, green, etc.) Discrete, the values are categorical If I record the average temperature of the machine each hour Continuous, temperature has an infinite number of values If I record the thickness of the parts coming out of the machine Continuous, thickness has an infinite number of values What is the probability of a single part to be “not defective”? P(not defective) =1-P(defective)=

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StatReviewTest - Stem 0 0 1 1 2 2 3 3 4 4 5 60 63 70 79 87...

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